≤800kV Range
LQHIVG 300KV-15KJ Three-Stage Impulse Generator: High-Voltage Testing Specifications
The LQHIVG 300KV-15KJ Impulse Voltage Generator delivers ultra-high-voltage testing capabilities through its innovative three-stage design. Engineered for precision lightning impulse and chopped wave testing, this system meets IEC 60060, IEEE, and ASTM standards for power equipment certification and high-voltage research applications.
Standards Compliance
IEC 60060-1:2010 - General test requirements
IEC 60060-2:2010 - Measuring systems
ANSI/IEEE 4a:2001 - HV testing techniques
ASTM D2484/D2518 - Electrical insulation standards
GB311/GB16927 - Waveform compliance
Technical Specifications
Parameter | Specification |
---|---|
Rated Voltage | ±300kV |
Stage Configuration | 3 stages |
Stage Voltage | ±100kV per stage |
Total Energy Capacity | 15kJ (5kJ per stage) |
Pulse Capacitors | 3 × 100kV 1μF |
Load Capacitance Range | 300-3000pF |
Voltage Stability | ±1.0% charging deviation |
Dual-Waveform Generation
Lightning Impulse Full Wave (1.2/50μs)
Front Time (T1): 1.2μs ±30%
Tail Time (T2): 50μs ±20%
Peak Oscillation: <5% amplitude
Voltage Utilization: ≥90% (<1000pF load)
Lightning Impulse Chopped Wave
Chopping Time: 2-5μs
Peak Deviation: ≤3%
Voltage Utilization: ≥85% (<1000pF load)
Performance Characteristics
Voltage Range: 10-100% Un sparking range
Minimum Output: >20% rated voltage (60kV)
Synchronous Control:
20-100% voltage range
<25% polarity deviation
<5% out-of-control rate
Duty Cycle:
120s interval at >66% rated voltage
60s interval at <66% rated voltage
Three-Stage Engineering Advantages
High-Voltage Capacity - 300kV output for extreme testing requirements
Enhanced Energy Storage - 15kJ total capacity with balanced 5kJ per stage
Precision Chopped Wave Generation - ≤3% peak deviation for accurate insulation testing
Optimized Voltage Utilization - ≥90% efficiency at <1000pF loads
Industrial Testing Applications
Extra-high-voltage transformer testing
Insulation coordination studies with chopped wave simulation
GIS (Gas-Insulated Switchgear) certification
Power transmission line component validation
Operational Reliability
Features multi-stage synchronous control with <5% failure rate and advanced voltage stabilization (±1%). Complies with IEC 61083-2 for measurement accuracy, with NIST-traceable calibration ensuring long-term performance stability across all three stages.